学步园

Visual Basic.NET(将文本文件导入数组)的两种实现方法。

方法一：
开始时引用
Imports System.IO

按钮的Click事件
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        '打开目标文件(文件流)
        Dim myFs As New FileStream(Application.StartupPath & "/a.txt", FileMode.Open, FileAccess.Read)
        '读文件
        Dim r As New StreamReader(myFs)
        Dim i As Integer
        Dim myLine, tempStr As String
        '创建数组，接收文件数据
        Dim myLineStr(), a(100), b(100) As String
        Dim c(100) As Integer
        i = 0
        myLine = r.ReadLine
        Do While Not (myLine Is Nothing)
            myLineStr = myLine.Split(",")
            a(i) = myLineStr(0)
            b(i) = myLineStr(1)
            c(i) = myLineStr(2)
            i += 1
        Loop
    End Sub

方法二：
同样开始时引用
Imports System.IO

按钮的Click事件
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim fileStream As New StreamReader(Application.StartupPath & "/a.txt")
        Dim aArray() As String, bArray() As String
        Dim strFile As String
        Dim i As Long
        strFile = fileStream.ReadToEnd '文件流全部读完
        aArray = Split(strFile, vbCrLf)  '将文件数据以行裁开
        For i = 0 To UBound(rsArray)
            bArray = Split(aArray(i), ",")
           TextBox2.Text = TextBox2.Text & Trim(bArray(0)) & vbNewLine & Trim(bArray(1)) & vbCrLf & Trim(bArray(2)) & vbCrLf
        Next

    End Sub